CVE-2021-4213
JSS: memory leak in TLS connection leads to OOM
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · February 9, 2022
Updated · November 21, 2025
Description
A flaw was found in JSS, where it did not properly free up all memory. Over time, the wasted memory builds up in the server memory, saturating the server’s RAM. This flaw allows an attacker to force the invocation of an out-of-memory process, causing a denial of service.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-401 · Missing Release of Memory after Effective Lifetime